On Google Colab I can have a picture shown inline using the following !curl -o logo.png https://colab.research.google.com/img/colab_favicon_256px.png import cv2 img = …

Write a function called rectangle that draws a rectangle with given side lengths. For example, here's a rectangle that's 80 units wide and 40 units tall.

Apr 11, 2025 · Turtle graphics enables us to create shapes and patterns by controlling a "turtle" on the screen. Using simple commands like forward (), backward (), and others, we can easily …

May 8, 2020 · In this post, we learned how to draw shapes and write text with OpenCV in Python. We explained how to draw very basic shapes like lines, rectangles and circles and some more …

The class circle has the attribute radius and color, while the rectangle has the attribute height and width. Let’s use the visual examples of these shapes before we get to the code, as this...

Jul 3, 2019 · I am working with a student that uses Google colab. I tried introducing her to turtle graphics. We got this error: TclError: no display name and no $DISPLAY environment …

Jan 15, 2025 · Learn how to use Python OpenCV cv2.rectangle () to draw rectangles on images. This guide includes examples, code, and explanations for beginners.

Jan 4, 2023 · OpenCV provides many drawing functions to draw geometric shapes and write text on images. Let's see some of the drawing functions and draw geometric shapes on images …

In this chapter we'll continue our tour of object-oriented programming (OOP) by defining classes that represent geometric objects, including points, lines, rectangles, and circles. We'll write...

Jun 4, 2022 · This should be done in google colab, so CV2 did not work. This link gives an example of interactively select (drag and draw) an area of an image while this link can be used …